fix(sessions): set transcriptPath to agent sessions directory (openclaw#24775) thanks @martinfrancois

Verified:
- pnpm build
- pnpm check
- pnpm test:macmini

Co-authored-by: martinfrancois <14319020+martinfrancois@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

src/config/sessions.test.ts

@@ -8,6 +8,7 @@ import {
   deriveSessionKey,
   loadSessionStore,
   resolveSessionFilePath,
+  resolveSessionFilePathOptions,
   resolveSessionKey,
   resolveSessionTranscriptPath,
   resolveSessionTranscriptsDir,
@@ -598,6 +599,31 @@ describe("sessions", () => {
     });
   });
 
+  it("resolveSessionFilePathOptions keeps explicit agentId alongside absolute store path", () => {
+    const storePath = "/tmp/openclaw/agents/main/sessions/sessions.json";
+    const resolved = resolveSessionFilePathOptions({
+      agentId: "bot2",
+      storePath,
+    });
+    expect(resolved?.agentId).toBe("bot2");
+    expect(resolved?.sessionsDir).toBe(path.dirname(path.resolve(storePath)));
+  });
+
+  it("resolves sibling agent absolute sessionFile using alternate agentId from options", () => {
+    const stateDir = path.resolve("/home/user/.openclaw");
+    withStateDir(stateDir, () => {
+      const mainStorePath = path.join(stateDir, "agents", "main", "sessions", "sessions.json");
+      const bot2Session = path.join(stateDir, "agents", "bot2", "sessions", "sess-1.jsonl");
+      const opts = resolveSessionFilePathOptions({
+        agentId: "bot2",
+        storePath: mainStorePath,
+      });
+
+      const sessionFile = resolveSessionFilePath("sess-1", { sessionFile: bot2Session }, opts);
+      expect(sessionFile).toBe(bot2Session);
+    });
+  });
+
   it("falls back to derived transcript path when sessionFile is outside agent sessions directories", () => {
     withStateDir(path.resolve("/home/user/.openclaw"), () => {
       const sessionFile = resolveSessionFilePath(